Home / 21,024.33-31,531.12-6,229.80

Finding the Fourth Proportional to 21,024.33, 31,531.12 and 6,229.80

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Solution

The fourth proportional to 21,024.33, 31,531.12 and 6,229.80 is: 9,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,024.33 : 31,531.12 = 6,229.80 : x
  2. Step 2: Convert to fraction form
    21,024.33/31,531.12 = 6,229.80/x
  3. Step 3: Cross multiply
    21,024.33x = 31,531.12 × 6,229.80
  4. Step 4: Simplify right side
    21,024.33x = 196,432,546.50
  5. Step 5: Solve for x
    x = 196,432,546.50/21,024.33
  6. Step 6: Final answer
    x = 9,343.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.